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Colorful Onigirazu sushi sandwich with layered fillings

Onigirazu (Sushi Sandwich): Easy Japanese Rice Sandwich Guide


  • Author: Velma
  • Total Time: 25 minutes
  • Yield: 2 sandwiches 1x
  • Diet: Vegetarian

Description

This Onigirazu (Sushi Sandwich) is a modern Japanese spin on traditional onigiri rice balls. Instead of shaping rice into triangles, you wrap rice and fillings in nori sheets like a sandwich—no sushi mat required! Perfect for lunch boxes, picnics, or quick, customizable meals, and you can fill them with anything from classic tuna mayo to teriyaki chicken or even veggies.


Ingredients

Scale
  • 2 sheets of nori (seaweed)
  • 2 cups cooked sushi rice (seasoned with rice vinegar, sugar & salt)
  • 1/2 cup cooked protein (tuna, salmon, chicken, tofu, or spam)
  • 1/4 cup shredded veggies (carrots, cucumber, lettuce, or spinach)
  • 1 slice of omelet or scrambled egg (optional)
  • 12 tbsp mayonnaise or spicy mayo

Instructions

  1. Prepare fillings:
    • Cook and season protein of choice. Slice veggies into thin strips.
  2. Assemble the onigirazu:
    • Place a nori sheet shiny side down on a clean surface. Spread 1/2 cup rice in the center in a square shape.
    • Add fillings (protein, veggies, mayo, egg) on top of the rice.
    • Cover with another 1/2 cup of rice to sandwich the fillings.
  3. Fold & wrap:
    • Fold nori corners inward, covering the rice completely like an envelope. Wrap tightly in plastic wrap to hold its shape.
  4. Rest & cut:
    • Let it sit for 5–10 minutes for the nori to soften. Cut in half to reveal the layers.

Notes

  • Keep hands wet when handling rice to prevent sticking
  • Endless fillings: Try teriyaki beef, shrimp tempura, avocado, or kimchi
  • Make ahead: Wrap tightly in plastic wrap; best eaten within 24 hours
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Mains
  • Method: Hand-Assembled
  • Cuisine: Japanese

Nutrition

  • Serving Size: 1 sushi sandwich
  • Calories: 320kcal
  • Sugar: 3g
  • Sodium: 450mg
  • Fat: 9g
  • Saturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 2g
  • Protein: 12g
  • Cholesterol: 45mg